DrVirgo
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| hlab27
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C. Think about the role of prostaglandins on the afferents ... they increase RPF and GFR by dilating the afferents. NSAIDs have the opposite effect.
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| robin082006
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C fore sure
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| star1
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C
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| Cedrick
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Ok then I was not sure thanks
C
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| drpkaur
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C
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| DrVirgo
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AA dilation would cause Inc. RPF, but not increased GRF, right?
In order to increase GFR, there should be EA constriction.
I'm still not sure on the answer... Can anyone explain in detail.. thanks. 
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| nadiabarati
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I think B
constriction of efferent artery cause increased GFR
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| hlab27
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So Afferent arteriole dilation does cause the RPF as you mentioned but this also means more blood is going to the glomerulus. This means the GFR will increase.
If we increase GFR by constricting EA, then we will decrease the RPF.
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